Home / 383,827.80-529,898.78-266,167.20

Finding the Fourth Proportional to 383,827.80, 529,898.78 and 266,167.20

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Solution

The fourth proportional to 383,827.80, 529,898.78 and 266,167.20 is: 367,460.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,827.80 : 529,898.78 = 266,167.20 : x
  2. Step 2: Convert to fraction form
    383,827.80/529,898.78 = 266,167.20/x
  3. Step 3: Cross multiply
    383,827.80x = 529,898.78 × 266,167.20
  4. Step 4: Simplify right side
    383,827.80x = 141,041,674,556.02
  5. Step 5: Solve for x
    x = 141,041,674,556.02/383,827.80
  6. Step 6: Final answer
    x = 367,460.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.